4D Molecular Therapeutics, Inc. (FDMT) Insider Ownership

Historic Insider Ownership Trends

Data spanning the past 90 days through January 10, 2026 reveals that 4D Molecular Therapeutics's three principal insider shareholders consist of TenPercentOwner Capital Management, L.P. Ra (4.56Mn shares), TenPercentOwner Global Investors Lp Viking (4.25Mn shares), Chief Executive Officer David Kirn (1.66Mn shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Capital Management, L.P. Ra 4,563,211 10 Dec, 2024
Global Investors Lp Viking 4,247,914 05 Jan, 2024
David Kirn Chief Executive Officer 1,659,153 12 Jul, 2024
David Schaffer 901,215 22 Oct, 2021
Partners L P/Il Bvf 87,911 13 Nov, 2024
Ashoo Gupta Vp And Finance And Controller 46,359 23 Dec, 2025
Charles Theuer 41,684 16 Dec, 2025
August J Moretti Chief Financial Officer 11,045 16 May, 2023
Scott Bizily Chief Legal Officer 3,594 19 Dec, 2025
Robert Young Kim Chief Medical Officer 1,043 07 Feb, 2024

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
20 Dec, 2025 Ashoo Gupta Common Stock D 79 $8.68 46,359 D S
20 Dec, 2025 Ashoo Gupta Common Stock A 866 - 46,528 D M
20 Dec, 2025 Ashoo Gupta Common Stock A 220 - 46,438 D M
20 Dec, 2025 Ashoo Gupta Common Stock D 310 $8.68 46,218 D S
16 Dec, 2025 Scott Bizily Common Stock A 1,635 $4.14 5,229 D M
16 Dec, 2025 Scott Bizily Common Stock D 1,635 $10.90 3,594 D S
12 Dec, 2025 Charles Theuer Common Stock A 9,333 $1.14 41,684 D M
17 Nov, 2025 Scott Bizily Common Stock D 1,635 $10.59 3,594 D S
17 Nov, 2025 Scott Bizily Common Stock A 1,635 $4.14 5,229 D M
24 Oct, 2025 Scott Bizily Common Stock D 2,678 $12.00 3,594 D S
24 Oct, 2025 Scott Bizily Common Stock A 1,084 $6.49 6,272 D M
16 Oct, 2025 Scott Bizily Common Stock D 1,635 $10.17 5,188 D S
16 Oct, 2025 Scott Bizily Common Stock A 1,635 $4.14 6,823 D M
09 Oct, 2025 Scott Bizily Common Stock D 2,408 $10.00 5,188 D S
23 Sep, 2025 Scott Bizily Common Stock D 2,407 $8.00 7,596 D S
09 Dec, 2024 Capital Management, L.P. Ra Common Stock D 535,000 $0.00 4,563,211 I J
09 Dec, 2024 Capital Management, L.P. Ra - - 4,563,211 I
08 Nov, 2024 Partners L P/Il Bvf - - 662,970 D
08 Nov, 2024 Partners L P/Il Bvf Common Stock, $0.0001 par value D 2,378,000 - 662,970 D J
08 Nov, 2024 Partners L P/Il Bvf - - 830,237 D